In regard to DynamoDB, when you create a table with a hash-and-range key _________________

A. You can optionally define one or more secondary indexes on that table
B. You must define one or more secondary indexes on that table
C. You must define one or more Global secondary indexes on that table
D. You must define one or more Local secondary indexes on that table

Answer: A

Explanation:
When you create a table with a hash-and-range key, you can optionally define one or more secondary indexes on that table. A secondary index lets you query the data in the table using an alternate key, in addition to queries against the primary key.
Reference:
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html
Question: 2

Amazon DynamoDB supports these scalar data types: ______________.

A. Number and String
B. Number and Binary
C. Number, String, and Binary
D. Number, String, Binary and Datetime

Explanation:
Amazon DynamoDB automatically partitions your data and workload over a sufficient number of servers to meet the scale requirements you provide.
Reference:
https://aws.amazon.com/dynamodb/faqs/

Question: 4

Complete this statement: "When you load your table directly from an Amazon ___________ table, you have the option to control the amount of provisioned throughput you consume."

A. DataPipeline
B. S3
C. DynamoDB
D. RDS

Answer: C

Explanation:
When you load your table directly from an Amazon DynamoDB table, you have the option to control the amount of Amazon DynamoDB provisioned throughput you consume.
Reference: http://docs.aws.amazon.com/redshift/latest/dg/t_Loading_tables_with_the_COPY_command.html

Question: 5

In DynamoDB, which of the following operations is not possible by the console?

Explanation:
By using the console to manage DynamoDB, you can perform the following: adding an item, deleting an item, updating an item, and copying an item.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/AddUpdateDeleteItems.html

Question: 6

DynamoDB uses _____ only as a transport protocol, not as a storage format.